[INFO] updating cached repository vasily-kirichenko/regex_benchmark
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vasily-kirichenko/regex_benchmark
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vasily-kirichenko/regex_benchmark" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vasily-kirichenko/regex_benchmark"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vasily-kirichenko/regex_benchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vasily-kirichenko/regex_benchmark" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vasily-kirichenko/regex_benchmark"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vasily-kirichenko/regex_benchmark'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7aca2d1a5e38734e9e36f3f0f7cbb4a1fb2b24c0
[INFO] sha for GitHub repo vasily-kirichenko/regex_benchmark: 7aca2d1a5e38734e9e36f3f0f7cbb4a1fb2b24c0
[INFO] validating manifest of vasily-kirichenko/regex_benchmark on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vasily-kirichenko/regex_benchmark on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vasily-kirichenko/regex_benchmark
[INFO] finished frobbing vasily-kirichenko/regex_benchmark
[INFO] frobbed toml for vasily-kirichenko/regex_benchmark written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vasily-kirichenko/regex_benchmark/Cargo.toml
[INFO] started frobbing vasily-kirichenko/regex_benchmark
[INFO] finished frobbing vasily-kirichenko/regex_benchmark
[INFO] frobbed toml for vasily-kirichenko/regex_benchmark written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/vasily-kirichenko/regex_benchmark/Cargo.toml
[INFO] crate vasily-kirichenko/regex_benchmark already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking vasily-kirichenko/regex_benchmark against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-1/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/vasily-kirichenko/regex_benchmark:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bb2c6ee6e62df7f5199670e998952b5815c69bca8d62f49d1d6a08d63f68baec
[INFO] running `"docker" "start" "-a" "bb2c6ee6e62df7f5199670e998952b5815c69bca8d62f49d1d6a08d63f68baec"`
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking itertools v0.7.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking regex_benchmark v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::prelude::*;
[INFO] [stderr]    |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::io::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `Write` is imported redundantly
[INFO] [stderr]   --> src/main.rs:67:13
[INFO] [stderr]    |
[INFO] [stderr] 10 | use std::io::prelude::*;
[INFO] [stderr]    |     ------------------- the item `Write` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 67 |         use std::io::Write;
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     error_chain!{
[INFO] [stderr] 19 | |         foreign_links {
[INFO] [stderr] 20 | |             Io(::std::io::Error);
[INFO] [stderr] 21 | |             Regex(::regex::Error);
[INFO] [stderr] 22 | |         }
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     error_chain!{
[INFO] [stderr] 19 | |         foreign_links {
[INFO] [stderr] 20 | |             Io(::std::io::Error);
[INFO] [stderr] 21 | |             Regex(::regex::Error);
[INFO] [stderr] 22 | |         }
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     error_chain!{
[INFO] [stderr] 19 | |         foreign_links {
[INFO] [stderr] 20 | |             Io(::std::io::Error);
[INFO] [stderr] 21 | |             Regex(::regex::Error);
[INFO] [stderr] 22 | |         }
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/main.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 | /     error_chain!{
[INFO] [stderr] 19 | |         foreign_links {
[INFO] [stderr] 20 | |             Io(::std::io::Error);
[INFO] [stderr] 21 | |             Regex(::regex::Error);
[INFO] [stderr] 22 | |         }
[INFO] [stderr] 23 | |     }
[INFO] [stderr]    | |_____^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(universal_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `universal_impl_trait` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/main.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(universal_impl_trait)]
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(stable_features)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.54s
[INFO] running `"docker" "inspect" "bb2c6ee6e62df7f5199670e998952b5815c69bca8d62f49d1d6a08d63f68baec"`
[INFO] running `"docker" "rm" "-f" "bb2c6ee6e62df7f5199670e998952b5815c69bca8d62f49d1d6a08d63f68baec"`
[INFO] [stdout] bb2c6ee6e62df7f5199670e998952b5815c69bca8d62f49d1d6a08d63f68baec